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rt: Properly block tasks while waiting for port detach

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This commit is contained in:
Brian Anderson
2012-03-04 16:52:19 -08:00
parent 4c4a2320eb
commit 1347d04bb0
5 changed files with 67 additions and 12 deletions
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13
src/rt/rust_builtin.cpp
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@@ -482,18 +482,23 @@ new_port(size_t unit_sz) {
}
extern "C" CDECL void
rust_port_detach(rust_port *port) {
rust_port_begin_detach(rust_port *port, uintptr_t *yield) {
rust_task *task = rust_task_thread::get_task();
LOG(task, comm, "rust_port_detach(0x%" PRIxPTR ")", (uintptr_t) port);
port->detach();
port->begin_detach(yield);
}
extern "C" CDECL void
rust_port_end_detach(rust_port *port) {
port->end_detach();
}
extern "C" CDECL void
del_port(rust_port *port) {
rust_task *task = rust_task_thread::get_task();
LOG(task, comm, "del_port(0x%" PRIxPTR ")", (uintptr_t) port);
A(task->thread, port->get_ref_count() == 1, "Expected port ref_count == 1");
port->deref();
A(task->thread, port->get_ref_count() == 0, "Expected port ref_count == 0");
delete port;
}
extern "C" CDECL size_t